#define _CRT_SECURE_NO_WARNINGS

#include <stdio.h>

int vowel(char ch)
{
	if (ch == 'a' || ch == 'e' || ch == 'i' || ch == 'o' || ch == 'u'||ch == 'A' ||ch == 'E'|| ch == 'I' || ch == 'O' || ch=='U')
		return 1;
	else
		return 0;
}
int main()
{
	char c[1000], chm;

	int i;
	for (i = 0; (chm = getchar()) != '\n'; i++)
	{
		c[i] = chm;
	}

	c[i] = '\n';

	int j;
	int f;
		int sum = 0;
	for (j = 0; j < i; j++)
	{
		chm = c[j];
		f = vowel(chm);
		if (f)
			sum++;
	}
	printf("%d", sum);
	return 0;
}